The northern Iraqi town of Tal Afar is the latest to be captured by members of the Islamic State of Iraq and Syria, or ISIS.
The town of about 200,000 people is mostly ethnic Shiite and Sunni Turkomen.
The news comes as ISIS jihadists are boasting about executing nearly 2,000 Iraqi government soldiers. They've even posted gruesome pictures, though the photos' authenticity can't be verified.
The situation has Iraq's government calling for new recruits to join the fight against the terrorist group. On Sunday, a crowd of volunteers gathered to join the fight.
Meanwhile, the U.S. State Department announced plans to partially evacuate the American embassy in Baghdad.
The Pentagon is sending about a hundred troops, among them a Marine platoon, to protect embassy staff who stay behind.
Three U.S. warships, including an aircraft carrier with missiles and fighter jets, have been deployed to the Persian Gulf.
In the meantime, President Barack Obama is weighing his options when it comes to American involvement.
"My first thing to recommend to the president is get your intelligence group back on track, making sure that we have the intel that we need for whatever options we have that are going to be accurate," Sen. Joe Manchin, R-W.Va., advised.
But Democrats are still pushing for the Iraqi government to find a diplomatic solution before any military action is taken.
Republicans are warning, however, that time is not on America's side or the side of Iraqi people.
With the weapons and money stolen in their terror run, ISIS is now reportedly a billion-dollar terrorist army.
"What is so heartbreaking is that we had this place in a good spot. They were playing politics rather than killing each other," Sen. Lindsey Graham, R-S.C., told CBS's "Face the Nation."
"The decision to withdraw U.S. forces created a vacuum," Graham continued. "Syria is a launching pad. And it's all come together. We need airpower immediately to stop the advance toward Baghdad."
Lost in this battle is what the unrest means for Iraq's Christians.
"We're hearing enormous pressure and believers are saying that they're just minutes away from conflict. They hear it outside. They know it's not going to be long before it turns on them as Christians," Tom Doyle, vice president of Church and Ministry Partners of e3 Partners," said.
Doyle, author of the book Dreams and Visions: Is Jesus Awakening The Muslim World?, has a message for America's Christian community.
"To the believers that watch CBN, 700 Club and are so passionate about praying -- anytime you see something on television -- if you would -- that it's not just Mosul; it's not just ancient Ninevah. You have brothers and sisters there in Christ that are living in some of the most dangerous conditions in the world. Pray for them," he admonished.
Watch all of Tom Doyle's insight on what's really happening in Iraq from a spiritual perspective: